1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.kernel.dao.orm;
24  
25  /**
26   * <a href="ProjectionFactory.java.html"><b><i>View Source</i></b></a>
27   *
28   * @author Brian Wing Shun Chan
29   */
30  public interface ProjectionFactory {
31  
32      public Projection alias(Projection projection, String alias);
33  
34      public Projection avg(String propertyName);
35  
36      public Projection count(String propertyName);
37  
38      public Projection countDistinct(String propertyName);
39  
40      public Projection distinct(Projection projection);
41  
42      public Projection groupProperty(String propertyName);
43  
44      public Projection max(String propertyName);
45  
46      public Projection min(String propertyName);
47  
48      public ProjectionList projectionList();
49  
50      public Projection property(String propertyName);
51  
52      public Projection rowCount();
53  
54      public Projection sum(String propertyName);
55  
56  }